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Topic of Cancer: How PFAS threaten our water
News
10 Dec 2019 | Capital & Main
What’s more, while the persistent and mobile nature of PFAS chemicals means that no neighborhood is safe from contamination, smaller water systems—particularly those serving disadvantaged communities—face an uphill task in tackling the problem due to the higher probability of aging infrastructure and limited resources, as compared to larger utilities.
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Bioaccumulation and human exposure of perfluoroalkyl acids (PFAAs) in vegetables from the largest vegetable production base of China
Science
10 Dec 2019 | Environ Int
PFAS found to bioaccumulate in vegetables leading to increased amounts in preschool-aged children.
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Characterization of the chemical contents of fluorinated and fluorine-free firefighting foams using a novel workflow combining non-target screening and total fluorine analysis
Science
10 Dec 2019 | Environ. Sci. Technol.
Firefighting foams marketed as PFAS-Free was found not to contain fluorine.
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Insights into the Uptake, Translocation and Transformation Mechanisms of Perfluorophosphinates and Perfluorophosphonates in Wheat (Triticum aestivum L.)
Science
10 Dec 2019 | Environ. Sci. Technol.
Exposure to PFPiAs in roots caused increased accumulation of more persistent PFPAs in the stalk and leaves of wheat.
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Exposure of adult mice to perfluorobutanesulfonate impacts ovarian functions through hypothyroxinemia leading to down-regulation of Akt-mTOR signaling
Science
10 Dec 2019 | Chemosphere
PFBS found to be associated with decreased production of ovarian hormones and fertility.
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Subacute dermal toxicity of perfluoroalkyl carboxylic acids: comparison with different carbon-chain lengths in human skin equivalents and systemic effects of perfluoroheptanoic acid in Sprague Dawley rats
Science
10 Dec 2019 | Arch. Toxicol.
PFCA found to have adverse effects on major organs with systemic dermal exposure in high concentrations.
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Environmental group laments PFAS provisions missing from federal bill
News
9 Dec 2019 | WAMC
The annual federal defense bill, known as the National Defense Authorization Act, does not include certain provisions that would address PFAS water contamination. A Washington-based nonprofit group accuses Congress of caving on cleaning up the toxic substances.
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Possible Fluorinated Alternatives of PFOS and PFOA: Ready to Go?
Science
9 Dec 2019 | Environ Sci Technol.
A scientific opinion piece regarding the analytical techniques, health concerns, and regulatory challenges regarding fluorinated short-chain alternatives as markets move away from long-chain PFAS.
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High trans-placental transfer of perfluoroalkyl substances alternatives in the matched maternal-cord blood serum: Evidence from a birth cohort study
Science
9 Dec 2019 | Sci. of the Tot. Env.
Short-chain PFAS found to cross the placental barrier at higher rates than long-chain PFAS.
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Temporal Trends in Per- and Polyfluoroalkyl Substances in Bottlenose Dolphins (Tursiops truncatus) of Indian River Lagoon, Florida and Charleston, South Carolina
Science
9 Dec 2019 | Environ Sci Technol.
Regulation and phaseout of specific PFAS linked to the decreasing levels of certain PFAS and rising levels of others in bottlenose dolphins.
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Government studying widely used chemicals linked to health issues
News
5 Dec 2019 | The New York Times
The federal government has started the first in a series of detailed studies of the impact the chemicals have had on human health.The goal is to determine what role the chemicals, known generally as PFAS, play in a long list of health conditions including thyroid, kidney, liver, cardiovascular and autoimmune diseases, among other ailments.
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Michigan woman wonders if PFAS caused her family’s cancers
News
5 Dec 2019 | MLive
She wonders if PFAS played a role in her husband’s death from kidney cancer. And if it contributed to her battle with thyroid cancer.
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Ultra-Short-Chain Perfluoroalkyl Acids Including Trifluoromethane Sulfonic Acid in Water Connected to Known and Suspected Point Sources in Sweden
Science
4 Dec 2019 | Environ Sci Technol.
Firefighting training sites, landfills, and hazardous waste management facilities found to release ultra-short-chain PFAS into the environment and waterways.
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Simultaneous determination of perfluoroalkyl substances and bile acids in human serum using ultra-high-performance liquid chromatography-tandem mass spectrometry
Science
4 Dec 2019 | Anal Bioanal Chem.
This proof of concept study found that the presence of PFAS may negatively affect digestive health.
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High throughput UHPLC MS/MS measurement of Per and Poly Fluorinated Alkyl Substances (PFAS) in human serum
Science
4 Dec 2019 | J Anal Toxicol
A new detection method was developed and used to understand PFAS exposure in Kentucky residents.